diff options
-rw-r--r-- | odb/mysql/object-statements.hxx | 14 | ||||
-rw-r--r-- | odb/mysql/object-statements.txx | 4 | ||||
-rw-r--r-- | odb/mysql/statement.cxx | 82 | ||||
-rw-r--r-- | odb/mysql/statement.hxx | 38 |
4 files changed, 67 insertions, 71 deletions
diff --git a/odb/mysql/object-statements.hxx b/odb/mysql/object-statements.hxx index 9ea9933..0c20b1b 100644 --- a/odb/mysql/object-statements.hxx +++ b/odb/mysql/object-statements.hxx @@ -219,6 +219,12 @@ namespace odb void update_image_version (std::size_t v) {update_image_version_ = v;} + std::size_t + update_id_image_version () const { return update_id_image_version_;} + + void + update_id_image_version (std::size_t v) {update_id_image_version_ = v;} + binding& update_image_binding () {return update_image_binding_;} @@ -287,7 +293,6 @@ namespace odb new (details::shared) update_statement_type ( conn_, object_traits::update_statement, - id_image_binding_, update_image_binding_)); return *update_; @@ -360,10 +365,13 @@ namespace odb binding insert_image_binding_; MYSQL_BIND insert_image_bind_[insert_column_count]; - // Update binding. The suffix of the bind array is object id. The - // update statement depends on this being one contiguous arrays. + // Update binding. Note that the id suffix is bound to id_image_ + // below instead of image_ which makes this binding effectively + // bound to two images. As a result, we have to track versions + // for both of them. // std::size_t update_image_version_; + std::size_t update_id_image_version_; binding update_image_binding_; MYSQL_BIND update_image_bind_[update_column_count + id_column_count]; diff --git a/odb/mysql/object-statements.txx b/odb/mysql/object-statements.txx index 372118d..cf95a4a 100644 --- a/odb/mysql/object-statements.txx +++ b/odb/mysql/object-statements.txx @@ -33,7 +33,8 @@ namespace odb container_statement_cache_ (conn), select_image_binding_ (select_image_bind_, select_column_count), insert_image_binding_ (insert_image_bind_, insert_column_count), - update_image_binding_ (update_image_bind_, update_column_count), + update_image_binding_ (update_image_bind_, + update_column_count + id_column_count), id_image_binding_ (update_image_bind_ + update_column_count, id_column_count) { @@ -41,6 +42,7 @@ namespace odb select_image_version_ = 0; insert_image_version_ = 0; update_image_version_ = 0; + update_id_image_version_ = 0; id_image_.version = 0; id_image_version_ = 0; diff --git a/odb/mysql/statement.cxx b/odb/mysql/statement.cxx index d4b5431..7aa036d 100644 --- a/odb/mysql/statement.cxx +++ b/odb/mysql/statement.cxx @@ -64,16 +64,16 @@ namespace odb select_statement:: select_statement (connection& conn, const string& s, - binding& cond, - binding& data) + binding& param, + binding& result) : statement (conn), end_ (false), cached_ (false), rows_ (0), - cond_ (&cond), - cond_version_ (0), - data_ (data), - data_version_ (0) + param_ (¶m), + param_version_ (0), + result_ (result), + result_version_ (0) { conn_.clear (); @@ -82,14 +82,14 @@ namespace odb } select_statement:: - select_statement (connection& conn, const string& s, binding& data) + select_statement (connection& conn, const string& s, binding& result) : statement (conn), end_ (false), cached_ (false), rows_ (0), - cond_ (0), - data_ (data), - data_version_ (0) + param_ (0), + result_ (result), + result_version_ (0) { conn_.clear (); @@ -111,12 +111,12 @@ namespace odb if (mysql_stmt_reset (stmt_)) translate_error (conn_, stmt_); - if (cond_ != 0 && cond_version_ != cond_->version) + if (param_ != 0 && param_version_ != param_->version) { - if (mysql_stmt_bind_param (stmt_, cond_->bind)) + if (mysql_stmt_bind_param (stmt_, param_->bind)) translate_error (conn_, stmt_); - cond_version_ = cond_->version; + param_version_ = param_->version; } if (mysql_stmt_execute (stmt_)) @@ -150,19 +150,19 @@ namespace odb select_statement::result select_statement:: fetch () { - if (data_version_ != data_.version) + if (result_version_ != result_.version) { // Make sure that the number of columns in the result returned by // the database matches the number that we expect. A common cause // of this assertion is a native view with a number of data members // not matching the number of columns in the SELECT-list. // - assert (mysql_stmt_field_count (stmt_) == data_.count); + assert (mysql_stmt_field_count (stmt_) == result_.count); - if (mysql_stmt_bind_result (stmt_, data_.bind)) + if (mysql_stmt_bind_result (stmt_, result_.bind)) translate_error (conn_, stmt_); - data_version_ = data_.version; + result_version_ = result_.version; } int r (mysql_stmt_fetch (stmt_)); @@ -197,14 +197,14 @@ namespace odb { // Re-fetch columns that were truncated. // - for (size_t i (0); i < data_.count; ++i) + for (size_t i (0); i < result_.count; ++i) { - if (*data_.bind[i].error) + if (*result_.bind[i].error) { - *data_.bind[i].error = 0; + *result_.bind[i].error = 0; if (mysql_stmt_fetch_column ( - stmt_, data_.bind + i, static_cast<unsigned int> (i), 0)) + stmt_, result_.bind + i, static_cast<unsigned int> (i), 0)) translate_error (conn_, stmt_); } } @@ -244,8 +244,8 @@ namespace odb } insert_statement:: - insert_statement (connection& conn, const string& s, binding& data) - : statement (conn), data_ (data), data_version_ (0) + insert_statement (connection& conn, const string& s, binding& param) + : statement (conn), param_ (param), param_version_ (0) { conn_.clear (); @@ -261,12 +261,12 @@ namespace odb if (mysql_stmt_reset (stmt_)) translate_error (conn_, stmt_); - if (data_version_ != data_.version) + if (param_version_ != param_.version) { - if (mysql_stmt_bind_param (stmt_, data_.bind)) + if (mysql_stmt_bind_param (stmt_, param_.bind)) translate_error (conn_, stmt_); - data_version_ = data_.version; + param_version_ = param_.version; } if (mysql_stmt_execute (stmt_)) @@ -295,15 +295,8 @@ namespace odb } update_statement:: - update_statement (connection& conn, - const string& s, - binding& cond, - binding& data) - : statement (conn), - cond_ (cond), - cond_version_ (0), - data_ (data), - data_version_ (0) + update_statement (connection& conn, const string& s, binding& param) + : statement (conn), param_ (param), param_version_ (0) { conn_.clear (); @@ -319,15 +312,12 @@ namespace odb if (mysql_stmt_reset (stmt_)) translate_error (conn_, stmt_); - if (data_version_ != data_.version || cond_version_ != cond_.version) + if (param_version_ != param_.version) { - // Here we assume that cond_.bind is a suffix of data_.bind. - // - if (mysql_stmt_bind_param (stmt_, data_.bind)) + if (mysql_stmt_bind_param (stmt_, param_.bind)) translate_error (conn_, stmt_); - cond_version_ = cond_.version; - data_version_ = data_.version; + param_version_ = param_.version; } if (mysql_stmt_execute (stmt_)) @@ -353,8 +343,8 @@ namespace odb } delete_statement:: - delete_statement (connection& conn, const string& s, binding& cond) - : statement (conn), cond_ (cond), cond_version_ (0) + delete_statement (connection& conn, const string& s, binding& param) + : statement (conn), param_ (param), param_version_ (0) { conn_.clear (); @@ -370,12 +360,12 @@ namespace odb if (mysql_stmt_reset (stmt_)) translate_error (conn_, stmt_); - if (cond_version_ != cond_.version) + if (param_version_ != param_.version) { - if (mysql_stmt_bind_param (stmt_, cond_.bind)) + if (mysql_stmt_bind_param (stmt_, param_.bind)) translate_error (conn_, stmt_); - cond_version_ = cond_.version; + param_version_ = param_.version; } if (mysql_stmt_execute (stmt_)) diff --git a/odb/mysql/statement.hxx b/odb/mysql/statement.hxx index 0c15f8c..55850b6 100644 --- a/odb/mysql/statement.hxx +++ b/odb/mysql/statement.hxx @@ -55,12 +55,12 @@ namespace odb select_statement (connection& conn, const std::string& statement, - binding& cond, - binding& data); + binding& param, + binding& result); select_statement (connection& conn, const std::string& statement, - binding& data); + binding& result); enum result { @@ -119,11 +119,11 @@ namespace odb std::size_t rows_; std::size_t size_; - binding* cond_; - std::size_t cond_version_; + binding* param_; + std::size_t param_version_; - binding& data_; - std::size_t data_version_; + binding& result_; + std::size_t result_version_; }; class LIBODB_MYSQL_EXPORT insert_statement: public statement @@ -134,7 +134,7 @@ namespace odb insert_statement (connection& conn, const std::string& statement, - binding& data); + binding& param); // Return true if successful and false if the row is a duplicate. // All other errors are reported by throwing exceptions. @@ -150,8 +150,8 @@ namespace odb insert_statement& operator= (const insert_statement&); private: - binding& data_; - std::size_t data_version_; + binding& param_; + std::size_t param_version_; }; class LIBODB_MYSQL_EXPORT update_statement: public statement @@ -160,12 +160,11 @@ namespace odb virtual ~update_statement (); - // Asssumes that cond.bind is a suffix of data.bind. + // Asssumes that param.bind is a suffix of data.bind. // update_statement (connection& conn, const std::string& statement, - binding& cond, - binding& data); + binding& param); void execute (); @@ -174,11 +173,8 @@ namespace odb update_statement& operator= (const update_statement&); private: - binding& cond_; - std::size_t cond_version_; - - binding& data_; - std::size_t data_version_; + binding& param_; + std::size_t param_version_; }; class LIBODB_MYSQL_EXPORT delete_statement: public statement @@ -189,7 +185,7 @@ namespace odb delete_statement (connection& conn, const std::string& statement, - binding& cond); + binding& param); unsigned long long execute (); @@ -199,8 +195,8 @@ namespace odb delete_statement& operator= (const delete_statement&); private: - binding& cond_; - std::size_t cond_version_; + binding& param_; + std::size_t param_version_; }; } } |